#3438B9#3438B9

#3438B9 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 43.0% C 0.197 H 273.1°. Best body text is #FFFFFF at 8.71:1 contrast (WCAG AA passes).

Color values

HEX	#3438B9
RGB	rgb(52, 56, 185)
HSL	hsl(238, 56%, 46%)
HSV	hsv(238, 72%, 73%)
CMYK	cmyk(71.9%, 69.7%, 0%, 27.5%)
CIE-LAB	lab(31.94, 41.25, -68.10)
CIE-LCH	lch(31.94, 79.62, 301.20°)
OKLab	oklab(43.05% 0.0107 -0.1969)
OKLCH	oklch(43.05% 0.197 273.1)
XYZ	xyz(11.5844, 7.0600, 46.6417)
Luminance	0.0706 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3438B9 #B9B534

analogous

#347BB9 #3438B9 #7234B9

triadic

#3438B9 #B93438 #38B934

tetradic

#3438B9 #B9347B #B9B534 #34B972

square

#3438B9 #B9347B #B9B534 #34B972

split-complementary

#3438B9 #B97234 #7BB934

monochromatic

#191B59 #272A89 #3438B9 #5A5DD1 #898CDE

Accessibility & contrast

On white

8.71

#3438B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#3438B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3438B9

8.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3438B9	#FFFFFF	#000000	##FFFFFF
##3438B9	1.00	8.71	2.41	8.71
#FFFFFF	8.71	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051BD

Deuteranopia (green-blind)

#0045B7

Tritanopia (blue-blind)

#005B74

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3438b9;
/* rgb */ color: rgb(52, 56, 185);
/* oklch */ color: oklch(43.0% 0.197 273.1);

Tailwind

colors: {
  custom: {
    50: '#7f6fcf',
    500: '#3438b9',
    950: '#000000',
  },
}

SCSS

$custom: #3438b9;
$custom-light: #7f6fcf;
$custom-dark: #000000;

JSON

{
  "hex": "#3438b9",
  "rgb": {
    "r": 52,
    "g": 56,
    "b": 185
  },
  "hsl": {
    "h": 238.195,
    "s": 56.118,
    "l": 46.471
  },
  "oklch": {
    "l": 0.43046,
    "c": 0.19723,
    "h": 273.1
  },
  "luminance": 0.07061
}

Semantic roles & 50–950 ramp

primary

#3438B9

secondary

#C8C681

accent

#DB48DF

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #3438B9

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →